50550554999958 has 32 divisors (see below), whose sum is σ = 108878499033696. Its totient is φ = 15553962555648.

The previous prime is 50550554999933. The next prime is 50550554999983. The reversal of 50550554999958 is 85999945505505.

It is an interprime number because it is at equal distance from previous prime (50550554999933) and next prime (50550554999983).

It is a super-2 number, since 2×50550554999958² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25235260 + ... + 27164672.

It is an arithmetic number, because the mean of its divisors is an integer number (3402453094803).

Almost surely, 2^{50550554999958} is an apocalyptic number.

50550554999958 is an abundant number, since it is smaller than the sum of its proper divisors (58327944033738).

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

50550554999958 is a wasteful number, since it uses less digits than its factorization.

50550554999958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265328.

The product of its (nonzero) digits is 3280500000, while the sum is 78.

The spelling of 50550554999958 in words is "fifty trillion, five hundred fifty billion, five hundred fifty-four million, nine hundred ninety-nine thousand, nine hundred fifty-eight".