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54896621 = 1317248401
BaseRepresentation
bin1101000101101…
…0011111101101
310211022001000012
43101122133231
5103023142441
65240343005
71234420313
oct321323755
9124261005
1054896621
1128a9570a
1216474a65
13b4b1110
1474100b3
154c459eb
hex345a7ed

54896621 has 8 divisors (see below), whose sum is σ = 62597304. Its totient is φ = 47692800.

The previous prime is 54896617. The next prime is 54896669. The reversal of 54896621 is 12669845.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1240996 + 53655625 = 1114^2 + 7325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54896621 - 22 = 54896617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54896021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123980 + ... + 124421.

It is an arithmetic number, because the mean of its divisors is an integer number (7824663).

Almost surely, 254896621 is an apocalyptic number.

It is an amenable number.

54896621 is a deficient number, since it is larger than the sum of its proper divisors (7700683).

54896621 is a wasteful number, since it uses less digits than its factorization.

54896621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248431.

The product of its digits is 103680, while the sum is 41.

The square root of 54896621 is about 7409.2253981101. The cubic root of 54896621 is about 380.0568266815.

The spelling of 54896621 in words is "fifty-four million, eight hundred ninety-six thousand, six hundred twenty-one".

Divisors: 1 13 17 221 248401 3229213 4222817 54896621