55637950 has 24 divisors (see below), whose sum is σ = 107057880. Its totient is φ = 21487200.

The previous prime is 55637873. The next prime is 55637951. The reversal of 55637950 is 5973655.

It is a hoax number, since the sum of its digits (40) 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 (55637951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17736 + ... + 20635.

It is an arithmetic number, because the mean of its divisors is an integer number (4460745).

Almost surely, 2^55637950 is an apocalyptic number.

55637950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55637950 is a deficient number, since it is larger than the sum of its proper divisors (51419930).

55637950 is a wasteful number, since it uses less digits than its factorization.

55637950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38412 (or 38407 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 55637950 is about 7459.0850645371. The cubic root of 55637950 is about 381.7599571939.

The spelling of 55637950 in words is "fifty-five million, six hundred thirty-seven thousand, nine hundred fifty".