55370620 has 24 divisors (see below), whose sum is σ = 116838288. Its totient is φ = 22041600.

The previous prime is 55370587. The next prime is 55370621. The reversal of 55370620 is 2607355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55370621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341 + ... + 10780.

It is an arithmetic number, because the mean of its divisors is an integer number (4868262).

Almost surely, 2^55370620 is an apocalyptic number.

It is an amenable number.

55370620 is an abundant number, since it is smaller than the sum of its proper divisors (61467668).

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

55370620 is a wasteful number, since it uses less digits than its factorization.

55370620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341 (or 13339 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 55370620 is about 7441.1437292932. The cubic root of 55370620 is about 381.1475467782.

Adding to 55370620 its reverse (2607355), we get a palindrome (57977975).

The spelling of 55370620 in words is "fifty-five million, three hundred seventy thousand, six hundred twenty".