54917970 has 16 divisors (see below), whose sum is σ = 131803200. Its totient is φ = 14644784.

The previous prime is 54917969. The next prime is 54917971. The reversal of 54917970 is 7971945.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54917969) and next prime (54917971).

It is not an unprimeable number, because it can be changed into a prime (54917971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915270 + ... + 915329.

It is an arithmetic number, because the mean of its divisors is an integer number (8237700).

Almost surely, 2^54917970 is an apocalyptic number.

54917970 is an abundant number, since it is smaller than the sum of its proper divisors (76885230).

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

54917970 is a wasteful number, since it uses less digits than its factorization.

54917970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830609.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 54917970 is about 7410.6659619767. The cubic root of 54917970 is about 380.1060876468.

The spelling of 54917970 in words is "fifty-four million, nine hundred seventeen thousand, nine hundred seventy".