54920170 has 16 divisors (see below), whose sum is σ = 99488808. Its totient is φ = 21827520.

The previous prime is 54920167. The next prime is 54920221. The reversal of 54920170 is 7102945.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40487769 + 14432401 = 6363^2 + 3799^2 .

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, 15921 + ... + 19060.

Almost surely, 2^54920170 is an apocalyptic number.

54920170 is a deficient number, since it is larger than the sum of its proper divisors (44568638).

54920170 is a wasteful number, since it uses less digits than its factorization.

54920170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35145.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 54920170 is about 7410.8143951930. The cubic root of 54920170 is about 380.1111632303. Note that the first 4 decimals are identical.

Subtracting from 54920170 its reverse (7102945), we obtain a square (47817225 = 6915²).

The spelling of 54920170 in words is "fifty-four million, nine hundred twenty thousand, one hundred seventy".