54312550 has 12 divisors (see below), whose sum is σ = 101021436. Its totient is φ = 21725000.

The previous prime is 54312547. The next prime is 54312551. The reversal of 54312550 is 5521345.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54312551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 543076 + ... + 543175.

It is an arithmetic number, because the mean of its divisors is an integer number (8418453).

Almost surely, 2^54312550 is an apocalyptic number.

54312550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54312550 is a deficient number, since it is larger than the sum of its proper divisors (46708886).

54312550 is a wasteful number, since it uses less digits than its factorization.

54312550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086263 (or 1086258 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 54312550 is about 7369.7048787587. The cubic root of 54312550 is about 378.7041501789.

Adding to 54312550 its reverse (5521345), we get a palindrome (59833895).

The spelling of 54312550 in words is "fifty-four million, three hundred twelve thousand, five hundred fifty".