54999970 has 16 divisors (see below), whose sum is σ = 100022328. Its totient is φ = 21772800.

The previous prime is 54999943. The next prime is 55000013. The reversal of 54999970 is 7999945.

It can be written as a sum of positive squares in 4 ways, for example, as 45981961 + 9018009 = 6781^2 + 3003^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27381 + ... + 29320.

Almost surely, 2^54999970 is an apocalyptic number.

54999970 is a deficient number, since it is larger than the sum of its proper divisors (45022358).

54999970 is a wasteful number, since it uses less digits than its factorization.

54999970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56805.

The product of its (nonzero) digits is 918540, while the sum is 52.

The square root of 54999970 is about 7416.1964644958. The cubic root of 54999970 is about 380.2951769315.

The spelling of 54999970 in words is "fifty-four million, nine hundred ninety-nine thousand, nine hundred seventy".