53437290 has 32 divisors (see below), whose sum is σ = 135794880. Its totient is φ = 13411584.

The previous prime is 53437283. The next prime is 53437297. The reversal of 53437290 is 9273435.

53437290 = T₃₈₂ + T₃₈₃ + ... + T₇₂₁.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53437283) and next prime (53437297).

It is not an unprimeable number, because it can be changed into a prime (53437297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51880 + ... + 52899.

It is an arithmetic number, because the mean of its divisors is an integer number (4243590).

Almost surely, 2^53437290 is an apocalyptic number.

53437290 is an abundant number, since it is smaller than the sum of its proper divisors (82357590).

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

53437290 is a wasteful number, since it uses less digits than its factorization.

53437290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104806.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 53437290 is about 7310.0813948957. The cubic root of 53437290 is about 376.6588202436.

The spelling of 53437290 in words is "fifty-three million, four hundred thirty-seven thousand, two hundred ninety".