55521424310 has 128 divisors (see below), whose sum is σ = 116095057920. Its totient is φ = 18918486400.

The previous prime is 55521424243. The next prime is 55521424339. The reversal of 55521424310 is 1342412555.

It is a super-2 number, since 2×55521424310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64334939 + ... + 64335801.

It is an arithmetic number, because the mean of its divisors is an integer number (906992640).

Almost surely, 2^55521424310 is an apocalyptic number.

55521424310 is an abundant number, since it is smaller than the sum of its proper divisors (60573633610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55521424310 is a wasteful number, since it uses less digits than its factorization.

55521424310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 55521424310 its reverse (1342412555), we get a palindrome (56863836865).

The spelling of 55521424310 in words is "fifty-five billion, five hundred twenty-one million, four hundred twenty-four thousand, three hundred ten".