55670742 has 24 divisors (see below), whose sum is σ = 120828240. Its totient is φ = 18524880.

The previous prime is 55670737. The next prime is 55670773. The reversal of 55670742 is 24707655.

It is a junction number, because it is equal to n+sod(n) for n = 55670697 and 55670706.

It is a congruent number.

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, 9559 + ... + 14237.

It is an arithmetic number, because the mean of its divisors is an integer number (5034510).

Almost surely, 2^55670742 is an apocalyptic number.

55670742 is an abundant number, since it is smaller than the sum of its proper divisors (65157498).

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

55670742 is a wasteful number, since it uses less digits than its factorization.

55670742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348 (or 5345 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 55670742 is about 7461.2828655668. The cubic root of 55670742 is about 381.8349432654.

The spelling of 55670742 in words is "fifty-five million, six hundred seventy thousand, seven hundred forty-two".