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55225251451 = 176153254823
BaseRepresentation
bin110011011011101011…
…100111011001111011
312021112202001110002101
4303123223213121323
51401100131021301
641211540444231
73663350614666
oct633353473173
9167482043071
1055225251451
112146a23a887
12a8529a9677
1352914873a6
14295c6a86dd
151683492701
hexcdbae767b

55225251451 has 8 divisors (see below), whose sum is σ = 59432383584. Its totient is φ = 51124629120.

The previous prime is 55225251437. The next prime is 55225251467. The reversal of 55225251451 is 15415252255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55225251451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55225251451.

It is not an unprimeable number, because it can be changed into a prime (55225251421) 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, 26626375 + ... + 26628448.

It is an arithmetic number, because the mean of its divisors is an integer number (7429047948).

Almost surely, 255225251451 is an apocalyptic number.

55225251451 is a deficient number, since it is larger than the sum of its proper divisors (4207132133).

55225251451 is a wasteful number, since it uses less digits than its factorization.

55225251451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53254901.

The product of its digits is 100000, while the sum is 37.

The spelling of 55225251451 in words is "fifty-five billion, two hundred twenty-five million, two hundred fifty-one thousand, four hundred fifty-one".

Divisors: 1 17 61 1037 53254823 905331991 3248544203 55225251451