55797974 has 8 divisors (see below), whose sum is σ = 83728728. Its totient is φ = 27888400.

The previous prime is 55797971. The next prime is 55797979. The reversal of 55797974 is 47979755.

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

It is a super-3 number, since 3×55797974³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55797971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7049 + ... + 12699.

It is an arithmetic number, because the mean of its divisors is an integer number (10466091).

Almost surely, 2^55797974 is an apocalyptic number.

55797974 is a deficient number, since it is larger than the sum of its proper divisors (27930754).

55797974 is a wasteful number, since it uses less digits than its factorization.

55797974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10590.

The product of its digits is 2778300, while the sum is 53.

The square root of 55797974 is about 7469.8041473656. The cubic root of 55797974 is about 382.1256085748.

The spelling of 55797974 in words is "fifty-five million, seven hundred ninety-seven thousand, nine hundred seventy-four".