50556550 has 24 divisors (see below), whose sum is σ = 102584952. Its totient is φ = 18384000.

The previous prime is 50556533. The next prime is 50556551. The reversal of 50556550 is 5565505.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50556551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45411 + ... + 46510.

It is an arithmetic number, because the mean of its divisors is an integer number (4274373).

Almost surely, 2^50556550 is an apocalyptic number.

50556550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50556550 is an abundant number, since it is smaller than the sum of its proper divisors (52028402).

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

50556550 is a wasteful number, since it uses less digits than its factorization.

50556550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91944 (or 91939 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 50556550 is about 7110.3129326352. The cubic root of 50556550 is about 369.7650078337.

The spelling of 50556550 in words is "fifty million, five hundred fifty-six thousand, five hundred fifty".