55552923950 has 48 divisors (see below), whose sum is σ = 104486392800. Its totient is φ = 21972720000.

The previous prime is 55552923947. The next prime is 55552923961. The reversal of 55552923950 is 5932925555.

It is a super-2 number, since 2×55552923950² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4139351 + ... + 4152749.

It is an arithmetic number, because the mean of its divisors is an integer number (2176799850).

Almost surely, 2^55552923950 is an apocalyptic number.

55552923950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55552923950 is a deficient number, since it is larger than the sum of its proper divisors (48933468850).

55552923950 is a wasteful number, since it uses less digits than its factorization.

55552923950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14333 (or 14328 counting only the distinct ones).

The product of its (nonzero) digits is 3037500, while the sum is 50.

The spelling of 55552923950 in words is "fifty-five billion, five hundred fifty-two million, nine hundred twenty-three thousand, nine hundred fifty".