5445972 has 36 divisors (see below), whose sum is σ = 15733536. Its totient is φ = 1555920.

The previous prime is 5445959. The next prime is 5446003. The reversal of 5445972 is 2795445.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×5445972² = 59317222049568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10554 + ... + 11057.

Almost surely, 2^5445972 is an apocalyptic number.

It is an amenable number.

5445972 is an abundant number, since it is smaller than the sum of its proper divisors (10287564).

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

5445972 is a wasteful number, since it uses less digits than its factorization.

5445972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21628 (or 21623 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 5445972 is about 2333.6606437098. The cubic root of 5445972 is about 175.9375208669.

The spelling of 5445972 in words is "five million, four hundred forty-five thousand, nine hundred seventy-two".