55551020346132 has 96 divisors (see below), whose sum is σ = 130652824780800. Its totient is φ = 18369798381312.

The previous prime is 55551020346113. The next prime is 55551020346139. The reversal of 55551020346132 is 23164302015555.

It is a super-2 number, since 2×55551020346132² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55551020346139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2229251169 + ... + 2229276087.

It is an arithmetic number, because the mean of its divisors is an integer number (1360966924800).

Almost surely, 2^{55551020346132} is an apocalyptic number.

It is an amenable number.

55551020346132 is an abundant number, since it is smaller than the sum of its proper divisors (75101804434668).

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

55551020346132 is a wasteful number, since it uses less digits than its factorization.

55551020346132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27245 (or 27243 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 55551020346132 in words is "fifty-five trillion, five hundred fifty-one billion, twenty million, three hundred forty-six thousand, one hundred thirty-two".