55773460 has 24 divisors (see below), whose sum is σ = 118731816. Its totient is φ = 22003200.

The previous prime is 55773449. The next prime is 55773461. The reversal of 55773460 is 6437755.

It can be written as a sum of positive squares in 4 ways, for example, as 4822416 + 50951044 = 2196^2 + 7138^2 .

It is a super-2 number, since 2×55773460² = 6221357680743200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55773461) 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, 17641 + ... + 20560.

It is an arithmetic number, because the mean of its divisors is an integer number (4947159).

Almost surely, 2^55773460 is an apocalyptic number.

It is an amenable number.

55773460 is an abundant number, since it is smaller than the sum of its proper divisors (62958356).

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

55773460 is a wasteful number, since it uses less digits than its factorization.

55773460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38283 (or 38281 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 55773460 is about 7468.1630940948. The cubic root of 55773460 is about 382.0696399995.

The spelling of 55773460 in words is "fifty-five million, seven hundred seventy-three thousand, four hundred sixty".