54212490 has 160 divisors (see below), whose sum is σ = 160579584. Its totient is φ = 13063680.

The previous prime is 54212489. The next prime is 54212497. The reversal of 54212490 is 9421245.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54212497) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 426807 + ... + 426933.

Almost surely, 2^54212490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54212490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80289792).

54212490 is an abundant number, since it is smaller than the sum of its proper divisors (106367094).

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

54212490 is a wasteful number, since it uses less digits than its factorization.

54212490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 54212490 is about 7362.9131463029. The cubic root of 54212490 is about 378.4714450228.

The spelling of 54212490 in words is "fifty-four million, two hundred twelve thousand, four hundred ninety".