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55475625037 = 7217732234091
BaseRepresentation
bin110011101010100110…
…101101110001001101
312022012012011202002011
4303222212231301031
51402103230000122
641252443101221
74002511014100
oct635246556115
9168165152064
1055475625037
11215885a91a8
12a902811811
1353012cab41
142983a40737
15169a44c377
hexcea9adc4d

55475625037 has 48 divisors (see below), whose sum is σ = 69592545792. Its totient is φ = 43931704320.

The previous prime is 55475625017. The next prime is 55475625043. The reversal of 55475625037 is 73052657455.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-55475625037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55475625017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13558362 + ... + 13562452.

It is an arithmetic number, because the mean of its divisors is an integer number (1449844704).

Almost surely, 255475625037 is an apocalyptic number.

It is an amenable number.

55475625037 is a deficient number, since it is larger than the sum of its proper divisors (14116920755).

55475625037 is a wasteful number, since it uses less digits than its factorization.

55475625037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418 (or 4411 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 49.

The spelling of 55475625037 in words is "fifty-five billion, four hundred seventy-five million, six hundred twenty-five thousand, thirty-seven".

Divisors: 1 7 17 49 73 119 223 511 833 1241 1561 3577 3791 4091 8687 10927 16279 26537 28637 60809 69547 113953 185759 200459 276743 298643 486829 797671 912293 1937201 2090501 3407803 5076931 6386051 13560407 14633507 15508981 35538517 44702357 66597389 108562867 248769619 466181723 759940069 1132155613 3263272061 7925089291 55475625037