55729476 has 36 divisors (see below), whose sum is σ = 153679344. Its totient is φ = 16887600.

The previous prime is 55729463. The next prime is 55729493. The reversal of 55729476 is 67492755.

55729476 is a `hidden beast` number, since 5 + 572 + 9 + 4 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69970 + ... + 70761.

Almost surely, 2^55729476 is an apocalyptic number.

It is an amenable number.

55729476 is an abundant number, since it is smaller than the sum of its proper divisors (97949868).

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

55729476 is a wasteful number, since it uses less digits than its factorization.

55729476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140752 (or 140747 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 55729476 is about 7465.2177463219. The cubic root of 55729476 is about 381.9691778170.

The spelling of 55729476 in words is "fifty-five million, seven hundred twenty-nine thousand, four hundred seventy-six".