55364105531 has 4 divisors (see below), whose sum is σ = 63273263472. Its totient is φ = 47454947592.

The previous prime is 55364105527. The next prime is 55364105551. The reversal of 55364105531 is 13550146355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55364105531 - 2² = 55364105527 is a prime.

It is a super-2 number, since 2×55364105531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55364105551) 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, 3954578960 + ... + 3954578973.

It is an arithmetic number, because the mean of its divisors is an integer number (15818315868).

Almost surely, 2^55364105531 is an apocalyptic number.

55364105531 is a deficient number, since it is larger than the sum of its proper divisors (7909157941).

55364105531 is an equidigital number, since it uses as much as digits as its factorization.

55364105531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909157940.

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 55364105531 in words is "fifty-five billion, three hundred sixty-four million, one hundred five thousand, five hundred thirty-one".