55190974 has 8 divisors (see below), whose sum is σ = 85457088. Its totient is φ = 26705280.

The previous prime is 55190957. The next prime is 55191001. The reversal of 55190974 is 47909155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55190974² = 6092087222137352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445027 + ... + 445150.

It is an arithmetic number, because the mean of its divisors is an integer number (10682136).

Almost surely, 2^55190974 is an apocalyptic number.

55190974 is a deficient number, since it is larger than the sum of its proper divisors (30266114).

55190974 is a wasteful number, since it uses less digits than its factorization.

55190974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890210.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 55190974 is about 7429.0627941888. The cubic root of 55190974 is about 380.7348982390.

The spelling of 55190974 in words is "fifty-five million, one hundred ninety thousand, nine hundred seventy-four".