55303700 has 18 divisors (see below), whose sum is σ = 120009246. Its totient is φ = 22121440.

The previous prime is 55303693. The next prime is 55303723. The reversal of 55303700 is 730355.

It can be written as a sum of positive squares in 3 ways, for example, as 9604 + 55294096 = 98^2 + 7436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276419 + ... + 276618.

Almost surely, 2^55303700 is an apocalyptic number.

55303700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55303700 is an abundant number, since it is smaller than the sum of its proper divisors (64705546).

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

55303700 is a wasteful number, since it uses less digits than its factorization.

55303700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553051 (or 553044 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 23.

The square root of 55303700 is about 7436.6457492609. The cubic root of 55303700 is about 380.9939353728.

The spelling of 55303700 in words is "fifty-five million, three hundred three thousand, seven hundred".