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55356937 = 192913523
BaseRepresentation
bin1101001100101…
…0111000001001
310212011102102221
43103022320021
5103132410222
65254254041
71241345326
oct323127011
9125142387
1055356937
112927a539
1216657321
13b6127ac
1474cdb4d
154cd70c7
hex34cae09

55356937 has 4 divisors (see below), whose sum is σ = 58270480. Its totient is φ = 52443396.

The previous prime is 55356877. The next prime is 55356949. The reversal of 55356937 is 73965355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55356937 - 215 = 55324169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55356893 and 55356902.

It is not an unprimeable number, because it can be changed into a prime (55366937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456743 + ... + 1456780.

It is an arithmetic number, because the mean of its divisors is an integer number (14567620).

Almost surely, 255356937 is an apocalyptic number.

It is an amenable number.

55356937 is a deficient number, since it is larger than the sum of its proper divisors (2913543).

55356937 is a wasteful number, since it uses less digits than its factorization.

55356937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913542.

The product of its digits is 425250, while the sum is 43.

The square root of 55356937 is about 7440.2242573729. The cubic root of 55356937 is about 381.1161482283.

The spelling of 55356937 in words is "fifty-five million, three hundred fifty-six thousand, nine hundred thirty-seven".

Divisors: 1 19 2913523 55356937