55461740 has 24 divisors (see below), whose sum is σ = 121534560. Its totient is φ = 21219968.

The previous prime is 55461737. The next prime is 55461761. The reversal of 55461740 is 4716455.

It is a junction number, because it is equal to n+sod(n) for n = 55461697 and 55461706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59825 + ... + 60744.

It is an arithmetic number, because the mean of its divisors is an integer number (5063940).

Almost surely, 2^55461740 is an apocalyptic number.

It is an amenable number.

55461740 is an abundant number, since it is smaller than the sum of its proper divisors (66072820).

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

55461740 is a wasteful number, since it uses less digits than its factorization.

55461740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120601 (or 120599 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55461740 is about 7447.2639271077. The cubic root of 55461740 is about 381.3565091652.

The spelling of 55461740 in words is "fifty-five million, four hundred sixty-one thousand, seven hundred forty".