15053480 has 32 divisors (see below), whose sum is σ = 36477000. Its totient is φ = 5558016.

The previous prime is 15053471. The next prime is 15053497. The reversal of 15053480 is 8435051.

15053480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13675204 + 1378276 = 3698^2 + 1174^2 .

It is a super-2 number, since 2×15053480² = 453214520220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 13955 + ... + 14994.

Almost surely, 2^15053480 is an apocalyptic number.

15053480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15053480 is an abundant number, since it is smaller than the sum of its proper divisors (21423520).

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

15053480 is a wasteful number, since it uses less digits than its factorization.

15053480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28973 (or 28969 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 15053480 is about 3879.8814414876. The cubic root of 15053480 is about 246.9139553974.

The spelling of 15053480 in words is "fifteen million, fifty-three thousand, four hundred eighty".